Chain sprocket



FIG. 1 is a perspective view of a chain sprocket according to the present application.

FIG. 2 is a front view of the chain sprocket of FIG. 1.

FIG. 3 is a back view of the chain sprocket of FIG. 1.

FIG. 4 is a left view of the chain sprocket of FIG. 1.

FIG. 5 is a right view of the chain sprocket of FIG. 1.

FIG. 6 is a top view of the chain sprocket of FIG. 1; and,

FIG. 7 is a bottom view of the chain sprocket of FIG. 1. 

CLAIM The ornamental design for a chain sprocket, as shown. 